1. The system must demonstrate false positive and false negative examples using any stemmer 2. The system must demonstrate the differences between successive layers of the Porter stemmer through a couple of examples. 3. The system must be able to automatically detect whether a text is in French or English and stem it in the detected language. The stemmer for French will only be removing plurals. 4. The system must demonstrate the use of the Brill Tagger 5. The system must demonstrate the use of POS tags for informationextraction to extract all types of fish and all types of trees mentioned on the Wikipedia pages for Fish and Tree 6. The system must demonstrate the use of WordNet to expand nouns with their synonyms and their hypernyms